Polyester/TGIC powder coating series
Introduction
Made of polyester resin and TGIC curing agent as the main raw materials.
Features:
—Good adhesion, excellent mechanical properties, tough coating.
—Smooth coating
—Good outdoor durability
—Excellent over-baking resistance
Application:
Suitable for decoration and protection of a variety of outdoor products such as: outdoor lighting, beach chairs, solar water heaters, air conditioning outdoor units, aluminum profile curtain walls, door and window frames, ceilings, highway guardrails, grilles, sports facilities, communication equipment, etc.
Product series:
—Standard weather-resistant and super weather-resistant products can be provided
—Products with various glosses and colors can be made, and the specific gloss and color are subject to user requirements
—Products with various artistic textures such as sand grain, wrinkle, continuous paint, hammer grain, etc.
Application parameters:
Curing time: 200℃×10–15 minutes
Spraying method: high voltage electrostatic spraying 60-80 KV
Recommended film thickness: 60-80 um
| Performance Category | Performance Parameter | Specification | Test Method |
|---|---|---|---|
| Physical Properties | Specific Gravity | 1.2 – 1.8 g/cm³ (varies by type and color) | – |
| Particle Size Distribution | 100% < 120μm, 85%+ in 50~90μm | – | |
| Pencil Hardness | ≥H | GB/T 6739 | |
| Impact Resistance | ≥50 kg·cm | GB/T 1732 | |
| Flexibility | ≤2mm | GB/T 6742 | |
| Adhesion | 0 grade | GB/T 9286 | |
| Cupping Depth | ≥6mm | GB/T 9753 | |
| Appearance | Uniform, loose fine powder | – | |
| Chemical Properties | Salt Spray Resistance | ≥500 hours, ≥Grade 9 | GB/T 1771 |
| Humidity Resistance | ≥1000 hours, slight loss of gloss | GB/T 1740 | |
| Weather Resistance (QUV-B313) | ≥240h, ≥Grade 3 | GB/T 1865 | |
| Chemical Resistance (5% H₂SO₄) | 240 hours, no change | – | |
| Chemical Resistance (5% NaOH) | 168 hours, slight loss of light | – | |
| Heat Resistance | 100℃/48 hours (white sample), excellent light retention, color change ΔE ≤ 0.6 | – |
The above tests all use 0.8mm degreased and rusted cold-rolled steel plates, with a coating thickness of 40-80um. The performance indicators of the coating will vary slightly with the gloss.
This product does not contain arsenic, selenium, lead, hexavalent chromium, mercury, antimony, cadmium, and other heavy metals, and meets RoHS requirements.
Storage conditions:Store in a dry and ventilated room at around 25℃, avoid direct sunlight. Under this condition, the powder can be stored for 6-12 months. If it is overdue, it can be re-inspected. If the result meets the requirements, it can still be used.
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